Query Syntax, Method Syntax, Standard Query Operators, and Extension Methods in LINQ

Query Syntax and Method Syntax in LINQ (C#)

Standard Query Operators Overview

Extension Methods (C# Programming Guide)

* Pop Quiz for developers: what’s an alternative method syntax (using Lambda expression) of this query syntax? the answer is in one of the linked pages above. =).

var query = from word in words
            group word.ToUpper() by word.Length into gr
            orderby gr.Key
            select new { Length = gr.Key, Words = gr };

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